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Showing results for tags 'kaup formation'.
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Taxonomy from PaleobioDB.org. Description of the genus by Südkamp 2017, p. 116: "Follicrinus is one of the largest crinoids in the Hunsrück Slate. The arms can be over 20 cm in length. The dicyclic conical cup was relatively small and as wide as high. The long, slender, uniserial arms divide three to four times isotomously and bear no armlets. The first branching occurs above the fourth or fifth primibranch. The stem is round.” References: Schmidt, W. E. (1934). Die Crinoideen des Rheinischen Devons. Teil I: Die Crinoideen des Hunsrückschiefer. Abhandlungen der Preussischen Geologischen Landesanstalt, N. F., 163, 1-149. Südkamp, W. (2017): Life in the Devonian. Identification book Hunsrück Slate fossils. Verlag Dr. Friedrich Pfeil. München 2017. ISBN978-3-89937-221-2.
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Taxonomy from Fossilworks.org. Description from Südkamp 2017, p. 111: " Cup small, low and cone-shaped. The long and slender, non-pinnulated arms divide three to four times isotomously above the sixth to ninth primibrach in variable positions. The anal sack is slender and elongate and composed of several vertical rows of plicate plates. The stem is round with pentangular proximal elements." Of the 5 species described, P. zeaeformis has a relatively truncated cup. The anal sack has the appearance of a cob of maize (long and mostly curved). Identified by oilshale. References: W. Erich Schmidt (1934) Die Crinoideen des Rheinischen Devons. Abhandlungen der Preußischen Geologischen Landesanstalt. Neue FolgeHeft 163, pp.1-148. C. Bartels, M. Poschmann, T. Schindler & M. Wuttke (2002) Palaeontology and palaeoecology of the Kaub Formation (Lower Emsian, Lower Devonian) at Bundenbach (Hunsrück, SW Germany) Metalla (Bochum) 9.2, 2002, 105-122. G. D. WEBSTER & C. G. MAPLES (2006) CLADID CRINOID (ECHINODERMATA) ANAL CONDITIONS: A TERMINOLOGY PROBLEM AND PROPOSED SOLUTION. Palaeontology, Vol. 49, Part 1, 2006, pp. 187–212.
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- bundenbach
- crinoid
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